mistymjoy
30.11.2020 •
Mathematics
The following chart shows the number of rows in an auditorium and the total number number of seats. what equation defines the number of seats with respect to the number of rows?
a. s=20r+100
b. s=40r+120
c. s=20r+60
d. s=20r
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Ответ:
The answer is c because 20(20) + 60 = 460 and if you plug in the number of rows for x and add the 60 you would always get the number of seats value.
Ответ:
2 dimes 1 penny
Step-by-step explanation:
13-12.79=0.21
dimes=10
10x2=20
pennies=1
1x1=1
20+1=21